人们在生产和生活中接触了光敏物质,经光能照射后,所产生的光敏作用会导致急性、亚急性和慢性皮肤病。因光敏作用而致的光毒性皮炎近年来在临床上已屡见不鲜。我市某印铁厂印铁车间在印铁生产中使用光敏油墨,经紫外线照射后,使部分作业工人在体表暴露部位发生程度不同的光毒性反应。 People in the production and life exposure to photosensitive substances, by light irradiation, the resulting photosensitization can cause acute, subacute and chronic skin diseases. Photo-induced dermatitis due to photosensitization has been clinically common in recent years. A printed iron factory in our city printed iron workshop using photosensitive ink in the production of Indian iron, after ultraviolet radiation, so that part of the workers exposed parts of the body surface occurred in different degrees of phototoxicity reaction.